DBH 8139 radial shaft seal — 48 x 80 x 12
- Brand
- DBH
- Category
- Seals
- Subcategory
- Radial shaft seals
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Description
DBH 8139 belongs to radial shaft seal, part of our Seals range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for 8139 and any equivalents.
The DBH 8139 is a radial shaft seal designed to fit a 48 mm shaft, a 80 mm housing bore, and a 12 mm width. It uses the Lx design, which means a single lip with a spring. This seal keeps lubricant in and contaminants out in rotating equipment.
You will find this seal in gearboxes, speed reducers, pumps, electric motors, and belt or chain drives. Its job is to hold oil or grease inside while keeping dust, water, and particles away from bearings and gears. Because it is a wear item, replace it when you notice lubricant loss or unusual shaft noise.
The code breaks down as follows: 8139 is the DBH reference, and the dimensions are shaft 48 mm, housing 80 mm, width 12.00 mm. The Lx design indicates a single sealing lip with a spring. The lip runs against the shaft, while the outer diameter presses into the housing to create a tight fit.
During installation, make sure the shaft is within tolerance and free of burrs or scratches that could harm the lip. Apply the same oil or grease used in the equipment to the lip, then press the seal in squarely using a tube or driver that contacts only the outer diameter. If the housing has a chamfer, follow it to avoid deforming the case. A seal that is not square will not last as long.
If you need a cross-reference from another brand, send us the code 8139 or the dimensions 48 x 80 x 12 mm and we will check our seal line. We can also help if the shaft or housing is worn and you are considering a repair or a taller seal. We work with quality brands and provide technical support.
MR Industrial Accessories supplies the DBH brand as part of its seal and radial shaft seal range. To request a quote, ask about an alternative size, or get installation advice, send code 8139 via WhatsApp or email. Our team responds quickly with the information you need.
Dimensions
- Shaft (d)
- 48mm
- Housing bore (D)
- 80mm
- Height (h)
- 12.00mm
- Design
- Lx
Frequently asked questions
- What are the dimensions of the DBH 8139 seal?
- The DBH 8139 seal has a shaft diameter of 48 mm, a housing diameter of 80 mm, and a height of 12.00 mm. The design is Lx, which is a single lip with a spring. These dimensions are confirmed at the time of inquiry.
- How can I tell if this seal will replace the one I have?
- Check the three main dimensions: shaft, housing, and height. If they match 48 x 80 x 12 mm, the seal should fit. Also verify the lip type and material, as these can differ by application. If unsure, send a photo or the old seal's code.
- What should I keep in mind when installing a radial shaft seal?
- Clean the shaft and housing, remove any burrs, and lubricate the lip before installation. Press the seal in perpendicular to the shaft using a tube that contacts the outer diameter, not the lip. Avoid angled blows and make sure it seats fully in the housing.